NSN 4820-00-403-5989
Valve Seat Insert
About this product
2.125 inches body inside diameter, between 0.155 inches and 0.157 inches seat radius, radial seating surface shape, criticality code justification: zzzy.
Manufacturer part number SS845-2180979PC6-2 1-2IN for national stock number 4820004035989.
Datasheet
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Product description
Valve Seat NSN 4820-00-403-5989.
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MPN or Model
SS845-2180979PC6-2 1-2IN
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
0.3 lb -
Overall Height
0.625 inches -
Body Outside Diameter
Between 3.621 inches and 3.623 inches -
Body Inside Diameter
2.125 inches -
Seat Radius
Between 0.155 inches and 0.157 inches -
Seating Surface Shape
Radial -
Criticality Code Justification
Zzzy -
Material
Plastic polyamide -
Material Specification
Gs, the polymer corporation mfr ref single material response -
Special Test Features
Quality assurance tested for submarine safety program -
Style Designator
Plain -
Reference Number Differentiating Characteristics
Items that support a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process
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Valve Seat
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.
Pricing and Availability
Get a quote for 4820-00-403-5989 valve seatManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| SS845-2180979PC6-2 1-2IN | Naval Ship Systems Command |
| 2640-671X2PC6-2 1-2IN | Electric Boat Corporation |
| 2640-671X2PC6-2 1-2INQ3 | Naval Inventory Control Point |
| 2640-671X3PC7Q3 | Naval Inventory Control Point |
| SS845-2180979PC6-2 1-2INQ3 | Naval Inventory Control Point |
| 2640-671X2PC6QA | Naval Inventory Control Point |
Stock Check
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